@inproceedings{HeSe08,
  author    = "Miki Hermann and Bar\i{}\c{s} Sertkaya",
  title     = "On the Complexity of Computing Generators of Closed Sets",
  booktitle = "Proceedings of the 6th International Conference on {F}ormal
               {C}oncept {A}nalysis, {(ICFCA 2008)}",
  editor    = "Raoul Medina and Sergei A. Obiedkov",
  publisher = "Springer Verlag",
  series    = "Lecture Notes in Computer Science",
  volume    = 4933,
  pages     = "158-168",
  year      = 2008,
	springer  = "yes",
}